Easy to install and move without damaging the wall. You can customize the position of the clock according to your needs. how to install? Step 1: Use a hammer to drive the nail into the wall, and then hang the clock on the wall. Step 2: Hang the paper scale on the clock tray and mark the position of the number according to the scale. Step 3: Take out the paper from the back of the acrylic mirror and install it. Step 4: Take out the bottom paper; stick it on the wall. Step 5: Remove the protective film from the mirror. Step 6: Fix the hour and minute hands at 12 o'clock respectively. Step 7: Tighten the nut. Step 8: Install the AA carbon battery as a clock and adjust the time of the quartz gear button. Step 9: Return the wall clock to the wall. well done! You can now enjoy your artwork. Note: Each surface of the mirror has a protective film. It may look scratched. But the scratches are only on the protective film, and the mirror is still in good condition. Please tear off after installation! Do not turn the hands by hand, but use the clock buttons to move the clock. If you have any questions, please contact me and I will reply to you in time. The wall clock has a 6-month warranty. It is harmless to the environment and health. If you have any quality problems, please contact me and we will provide you with a replacement and/or refund.